UPDATE: A SECOND student has died since being shot by a teenager near Seattle in the US.
Gia Soriano’s parents say they will donate her organs.
The gunman was identified as Jaylen Fryberg, 15, he took his own life after opening fire on Sunday (local time).
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Investigators say Jaylen was a popular student who invited his victims to lunch by text message, then shot them at their table.
Detectives are reading through a string of text messages, phone and social media records as part of an investigation that could take months.
EARLIER: WITNESSES have identified the gunman of a US school shooting spree as Jaylen Fryberg, who is believed to be just 14-years-old.
Fryberg reportedly opened fire in the cafeteria of Marysville-Pilchuck High School, north of Seattle, killing one student and injuring several others before turning the gun on himself.
There have been witness reports that the victims were known to Fryberg and that it was not a random attack.
According to reports, Fryberg also recently posted a series of tweets on his Twitter accounts relating to a break-up, indicating an unstable state of mind.
Three students were shot in the head and are in a critical condition in hospital, with reports of more students also injured.
Swarms of police and emergency workers remain at the school, searching the grounds for further threats.